Dear ma'am/sir, A vector A has magnitude a and a^ is unit vector in the direction of A. Then is A.a^=a ? I feel it is not correct but in my book it is given correct. Thanks, Jai

Question

Sher Mohammad · Answer

yes it is correct since a^ is unit vector , means a has magnitude one , means A is also same unit vector a^, so a^.a^= a (since 1*1=1), if not clear ask again.

Jai Mahajan · Answer

Thanks sir!

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Dear ma'am/sir, A vector A has magnitude a and a^ is unit vector in the direction of A. Then is A.a^=a ? I feel it is not correct but in my book it is given correct. Thanks, Jai

Dear ma'am/sir,
A vector A has magnitude a and a^ is unit vector in the direction of A. Then is A.a^=a ?
I feel it is not correct but in my book it is given correct.
Thanks,
Jai

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Dear ma'am/sir, A vector A has magnitude a and a^ is unit vector in the direction of A. Then is A.a^=a ? I feel it is not correct but in my book it is given correct. Thanks, Jai

Dear ma'am/sir,A vector A has magnitude a and a^ is unit vector in the direction of A. Then is A.a^=a ?I feel it is not correct but in my book it is given correct.Thanks,Jai

2 Answers

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Dear ma'am/sir,
A vector A has magnitude a and a^ is unit vector in the direction of A. Then is A.a^=a ?
I feel it is not correct but in my book it is given correct.
Thanks,
Jai